1. National Sun Yat-Sen University,Department of Electrical Engineering,Kaohsiung,Taiwan
2. Tamkang University,Department of Mechanical and Electromechanical Engineering,Tamsui,Taiwan
3. Vel Tech University,Department of Mechanical Engineering,Chennai,Tamil Nadu,India
4. Vel Tech University,Department of Electronics and Communication Engineering,Chennai,Tamil Nadu,India
5. Inst. of Undersea Tech., NSYSU, Taiwan, as Distinguished Professor, and Vel Tech Univ,India